Comment # 31 on bug 1203748 from Stefan Dirsch

dmidecode -t bios
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.

Handle 0x000B, DMI type 0, 24 bytes
BIOS Information
        Vendor: LENOVO
        Version: N1QET55W (1.30 )
        Release Date: 05/23/2017
        Address: 0xE0000
        Runtime Size: 128 kB
        ROM Size: 16 MB
        Characteristics:
                PCI is supported
                PNP is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                Boot from CD is supported
                Selectable boot is supported
                EDD is supported
                3.5"/720 kB floppy services are supported (int 13h)
                Print screen service is supported (int 5h)
                8042 keyboard services are supported (int 9h)
                Serial services are supported (int 14h)
                Printer services are supported (int 17h)
                CGA/mono video services are supported (int 10h)
                ACPI is supported
                USB legacy is supported
                BIOS boot specification is supported
                Targeted content distribution is supported
                UEFI is supported
        BIOS Revision: 1.30
        Firmware Revision: 1.13

Handle 0x0022, DMI type 13, 22 bytes
BIOS Language Information
        Language Description Format: Abbreviated
        Installable Languages: 1
                en-US
        Currently Installed Language: en-US

Wrong DMI structures length: 3005 bytes announced, structures occupy 3020
bytes.